Items Standard Result Characters White or off-white crystalline powder White crystalline powder Identification
Cas:150-13-0
Min.Order:1 Gram
FOB Price: $100.0 / 500.0
Type:Trading Company
inquiry4-Aminobenzoic acid Basic information Product Name: 4-Aminobenzoic acid Synonyms: 4-AMinobenzoic acid ReagentPlus(R), >=99%;4-AMinobenzoic acid ReagentPlus(R), 99%;4-AMinobenzoic Acid, 97+%;The aM
Para Amino Benzoic Acid CAS No. : 150-13-0 Synonyms : 4-Amino Benzoic Acid, PABA, P-Amino Benzoic Acid, vitamin Bx, bacterial vitamin H1. Molecular Formula : C7H7NO2 Molecular Weight : 137.136 g/mol Appearance : White Powder Purity : 99% min.
Cas:150-13-0
Min.Order:1 Metric Ton
FOB Price: $20.0 / 100.0
Type:Trading Company
inquiryQ1:Can you give me a discount price Surely,It depend on your qty Q2:How can i get a sample free samples is available,but freight charges will be at your account and the charges will be return to you or deduct from your order in the future. Q3: How
Cas:150-13-0
Min.Order:1 Kilogram
FOB Price: $25.0
Type:Trading Company
inquiry1, High quality with competitive price: 1)Standard: Enterprise Standard 2)All Purity min 99% 3)We are manufacturer and can provide high quality products with factory price. 2, Fast and safe delivery 1)Parcel can be sent out in 24 hours afte
Hubei Lidu New Materials Technology Co. , Ltd. is located in No. 12,3C Industrial Park, Zhongxiang Economic Development Zone, Hubei Province. The company is committed to fine chemical raw materials, pharmaceutical intermediates and other production,
Cas:150-13-0
Min.Order:0 Metric Ton
Negotiable
Type:Lab/Research institutions
inquiryAs a leading manufacturer and supplier of chemicals in China, DayangChem not only supply popular chemicals, but also DayangChem’s R&D center offer custom synthesis services. DayangChem can provide different quantities of custom synthesis
Cas:150-13-0
Min.Order:1 Kilogram
FOB Price: $3.0
Type:Lab/Research institutions
inquiryWelcome to Simagchem, your partner in China as a premier supply of bulk specialty chemicals for industry and life science. We introduce experienced quality product and exceptional JIT service with instant market intelligence in China to benefit our
Cas:150-13-0
Min.Order:1 Kilogram
Negotiable
Type:Manufacturers
inquiryHebei yanxi chemical co., LTD is a professional research, development and production 2-phenylacetamide enterprise backbone members by local well-known entrepreneurs and professional senior engineers in the party's "low carbon environ
Cas:150-13-0
Min.Order:100 Gram
FOB Price: $2.0
Type:Manufacturers
inquiry1. Guaranteed purity; 2. Large quantity in stock; 3. Largest manufacturer; 4. Best service after shipment with email; 5. High quality & competitive price; ...... Appearance:White crystalline powder Storage:2-8°C Package:25kg/fiber dru
Cas:150-13-0
Min.Order:50 Kilogram
FOB Price: $9.0 / 12.0
Type:Trading Company
inquiryhigh quality Appearance:White or off white powder Storage:Sealed, dry, microtherm , avoid light and smell. Package:According to the demand of customer Application:Organic synthesis Transportation:by air or by sea Port:shanghai
Cas:150-13-0
Min.Order:1 Kilogram
Negotiable
Type:Manufacturers
inquiry4 Aminobenzoic acid 150-13-0 4-Aminobenzoic acid : PABA mainly finds use in the biomedical sector. Other uses include its conversion to specialty azo dyes and crosslinking agents. Used in dyestuff,medical intermediates and organic synthesis,a
4-Aminobenzoic acid Product Name: 4-Aminobenzoic acid Molecular Weight: 137.13 CAS NO: 150-13-0 EC NO: 205-753-0 Molecular Formula: C7H7
Cas:150-13-0
Min.Order:1 Metric Ton
FOB Price: $2.0 / 3.0
Type:Manufacturers
inquiry1. Factory price and high quality must be guaranteed, base on 8 years of production and R&D experience2. Free samples will be provided,ensure specifications and quality are right for customer3. Customers will receive the most professional technical s
Cas:150-13-0
Min.Order:1 Gram
FOB Price: $0.1
Type:Manufacturers
inquiryCangzhou Enke Pharma Tech Co.,ltd. is located in Cangzhou City, Hebei province ,where is a famous petroleum chemical industry city in China. Enke Pharma a high-tech enterprise ,and we are dedicated to developing and manufacturing
Shanghai Seasonsgreen Chemical is a high-tech research and development, production, sale and custom synthesis set in one high-tech chemical products enterprises. Our sales and marketing division is located in Shanghai, serving international pharmaceu
Cas:150-13-0
Min.Order:1 Kilogram
FOB Price: $1.0
Type:Manufacturers
inquiryAdvantage : LIDE PHARMACEUTICALS LTD. is a mid-small manufacturing-type enterprise, engaged in pharmaceutical intermediates of R&D, custom-made and production, and also involving trading chemicals for export. We have established the R&
Cas:150-13-0
Min.Order:1 Gram
Negotiable
Type:Lab/Research institutions
inquiryTIANFUCHEM-- 150-13-0--High purity 4-Aminobenzoic acid in stock Our company was built in 2009 with an ISO certificate.In the past 10 years, we have grown up as a famous fine chemicals supplier in China And we had established stable busines
Cas:150-13-0
Min.Order:1 Metric Ton
FOB Price: $2000.0
Type:Lab/Research institutions
inquiryProduct Description Product website: http://www.finerchem.com Product Name 4-Aminobenzoic acid CAS No. 150-13-0
Cas:150-13-0
Min.Order:1 Gram
FOB Price: $22.0
Type:Lab/Research institutions
inquiryWITH US,YOUR MONEY IN SAFE,YOUR BUSINESS IN SAFE 1)Quick Response Within 12 hours; 2)Quality Guarantee: All products are strictly tested by our QC, confirmed by QA and approved by third party lab in China, USA, Canada, Germany, UK, Italy, France et
Cas:150-13-0
Min.Order:10 Gram
FOB Price: $146.0 / 176.0
Type:Trading Company
inquiry1. Product advantages ♦ High purity, all above 98.5%, no impurities after dissolution ♦ We will test each batch to ensure quality ♦ OEM and private brand services designed for free ♦ Various cap colors available ♦ W
Cas:150-13-0
Min.Order:1 Kilogram
FOB Price: $1.0 / 100.0
Type:Trading Company
inquiryOur Advantage: high quality with competitive price High quality standard: BP/USP/EP Enterprise standard All purity customized Fast and safe delivery We have reliable forwarder who can help us deliver our goods more fast and safe. We
Cas:150-13-0
Min.Order:10 Kilogram
Negotiable
Type:Trading Company
inquiryName: 4-Aminobenzoic acid CAS:150-13-0 MF: C7H7NO2 Appearance:white crystalline powder Storage:Store in cool and dry place, away from sun light. Package:25kg Application: medicine, dye intermediate, can also be used as analytical reagent, sunscreen
Cas:150-13-0
Min.Order:1 Kilogram
FOB Price: $1.0
Type:Other
inquiry1. Guaranteed purity; 2. Large quantity in stock; 3. Largest manufacturer; 4. Best service after shipment with email; 5. High quality & competitive price; Appearance:white or off-white powder Storage:Store in sealed containers
Cas:150-13-0
Min.Order:100 Gram
Negotiable
Type:Other
inquiry1.No Less 8 years exporting experience. Clients can 100% received goods 2.Lower Price with higher quality 3,Free sample 4,We are sincerely responsible for the "product quality" and "After Service" Upbio is Specialized
Cas:150-13-0
Min.Order:1 Kilogram
Negotiable
Type:Lab/Research institutions
inquiryOur company has been in existence for 10 years since its establishment. We have our own unique team. The company integrates independent research and development, production and sales. We have established famous brands at home and abroad. At present
Cas:150-13-0
Min.Order:1 Kilogram
FOB Price: $30.0 / 50.0
Type:Trading Company
inquiry4-Aminobenzoic acid CAS:150-13-0 Qingdao Belugas Import and Export Co., Ltd. is a scientific and technological company integrating research and development, production and trade of chemical intermediates, specializing in high quality organic interme
Cas:150-13-0
Min.Order:1 Gram
Negotiable
Type:Lab/Research institutions
inquiryWe have overseas warehouses in California, New Laredo Mexico, Vancouver Canada, Amsterdam Netherlands, and Melbourne Australia. Overseas warehouses can provide some of the best-selling products. We look forward to the cooperation of local powerful d
Cas:150-13-0
Min.Order:1 Kilogram
Negotiable
Type:Trading Company
inquiryHello, dear friend! I'm Hansen and Allen from China. Welcome to my lookchem mall! The following is a brief introduction of our company's products and services. If you are interested in our products, please contact us by emai
Cas:150-13-0
Min.Order:1 Kilogram
Negotiable
Type:Lab/Research institutions
inquiryConditions | Yield |
---|---|
With sodium tetrahydroborate In water at 50℃; for 0.0833333h; Green chemistry; | 100% |
With hydrogen In ethanol; water at 25℃; under 11251.1 Torr; for 6h; chemoselective reaction; | 99% |
With hydrazine hydrate In water at 110℃; Sealed tube; Green chemistry; | 99% |
Conditions | Yield |
---|---|
With diphenyl sulfide; hydrogen; palladium on activated charcoal In methanol at 20℃; under 760 Torr; for 24h; | 100% |
With palladium on activated charcoal; hydrogen In methanol at 20℃; for 24h; chemoselective reaction; | 100% |
With formic acid; tris(2,2'-bipyridyl)ruthenium dichloride; diethyl 2,6-dimethyl-1,4-dihydropyridine-3,5-dicarboxylate; N-ethyl-N,N-diisopropylamine In dichloromethane at 25℃; Irradiation; chemoselective reaction; | 99% |
Conditions | Yield |
---|---|
With silica-supported Jones reagent In dichloromethane for 0.035h; | 99.8% |
With potassium hydroxide In 1,3,5-trimethyl-benzene at 160℃; for 24h; Inert atmosphere; | 75% |
Stage #1: 4-aminobenzenemethanol With C27H29BrFIrN2O; potassium hydroxide In toluene for 10h; Inert atmosphere; Reflux; Stage #2: With hydrogenchloride In water | 67% |
Stage #1: 4-aminobenzenemethanol With ((CH3C6H4CH(CH3)2)RuI(C6H4NC3H2NCH3)); potassium hydroxide In m-xylene for 6h; Schlenk technique; Reflux; Inert atmosphere; Stage #2: With hydrogenchloride In water; m-xylene pH=6; Schlenk technique; Inert atmosphere; | 10% |
Conditions | Yield |
---|---|
With hydrogen In ethanol at 109.84℃; under 18751.9 Torr; for 7.5h; Autoclave; Green chemistry; chemoselective reaction; | 99% |
Conditions | Yield |
---|---|
With copper(l) iodide; ascorbic acid In ammonia at 25℃; for 18h; liquid NH3; | 97% |
With ammonium hydroxide; copper(l) iodide; phosphate potassium salt In N,N-dimethyl-formamide at 20℃; for 36h; Inert atmosphere; | 88% |
Conditions | Yield |
---|---|
With aminomethylpolystyrene-supported formate; palladium on activated charcoal In methanol at 20℃; for 4h; | 96% |
With polystyrene-CH2-HN3(+)HCO2(-); magnesium In methanol at 20℃; for 0.283333h; | 95% |
With aminomethyl polysterene resin formic acid salt; zinc In methanol at 20℃; for 0.333333h; | 94% |
With sodium dithionite; water In dimethyl sulfoxide at 20℃; pH=7.4; Kinetics; phosphate buffer; | |
With sodium tetrahydroborate; water; fullerene-C60; sodium hydroxide at 20℃; for 5h; pH=11; UV-irradiation; |
benzyl 4-nitrobenzoate
4-amino-benzoic acid
Conditions | Yield |
---|---|
With formic acid; potassium hydroxide In ethanol at 70℃; for 1h; | 96% |
Conditions | Yield |
---|---|
With formic acid; zinc In methanol at 20℃; for 0.166667h; | A 80% B 95% |
With hydrazine hydrate; aluminium In ethanol Heating; | A 87% B 95% |
With zinc; hydrazinium monoformate In methanol for 0.15h; Heating; | A 90% B n/a |
Conditions | Yield |
---|---|
Stage #1: methyl-4-carbamoylbenzoate With sodium hydroxide In water at 0℃; Hofmann Degradation; Stage #2: sodium hypochlorite In water at 0 - 50℃; for 3.5h; Product distribution / selectivity; | 95% |
Conditions | Yield |
---|---|
With AlBrCl3(1-)*C5H5N*H(1+) at 140℃; for 3h; | 95% |
With water; potassium hydroxide In methanol at 55℃; for 3h; Inert atmosphere; | 78% |
With sodium hydroxide for 1h; |
Conditions | Yield |
---|---|
With water at 140℃; for 6h; Sealed tube; | A 94% B 6% |
With potassium phosphate buffer at 30℃; for 9h; Rhodococcus sp. AJ270 cells; | A 63.7% B 9.7% |
With phosphate buffer at 30℃; for 48h; rhodococcus rhodocrous AJ270, pH 7.0; | A 30% B 38% |
With potassium phosphate buffer at 30℃; for 48h; Rhodococcus sp. AJ270 cells; | A 30.1% B 37.5% |
Conditions | Yield |
---|---|
With pepsin immobilized on terephthalaldehyde functionalized chitosan magnetic nanoparticle In acetonitrile at 20℃; for 48h; pH=2; | 90% |
With ammonium bromide; ethylenediamine at 70℃; for 5h; Microwave irradiation; Inert atmosphere; neat (no solvent); | 81% |
With hydrogenchloride | |
With ethanol at 60℃; Acidic conditions; |
Conditions | Yield |
---|---|
With copper(I) oxide; 1-D-O-Methyl-chiro-inositol; ammonia; sodium hydroxide In water at 100℃; for 12h; | 88% |
With ammonium hydroxide; diethylenetriaminopentaacetic acid; copper(II) oxide; potassium hydroxide In water at 100℃; for 12h; Sealed tube; | 87% |
With ammonium hydroxide; copper at 125℃; |
Conditions | Yield |
---|---|
With hydrazine hydrate In ethanol Heating; | 87% |
With ammonium formate; nickel In methanol at 20℃; for 0.166667h; | 80% |
Conditions | Yield |
---|---|
With tert.-butylhydroperoxide In water at 60℃; for 4.5h; Green chemistry; | 86% |
With urea-hydrogen peroxide at 125 - 127℃; for 0.0138889h; microwave irradiation; | 79% |
Multi-step reaction with 3 steps 1: beim Zusammenschmelzen 2: potassium permanganate; water 3: fuming hydrochloric acid View Scheme | |
With manganese(IV) oxide; oxygen; 1N,3N,5N-trihydroxy-1,3,5-triazin-2,4,6[1H,3H,5H]-trione at 80℃; for 11h; Ionic liquid; |
4-Amino-benzoic acid 2-oxo-2-phenyl-ethyl ester
4-amino-benzoic acid
Conditions | Yield |
---|---|
With sodium hydrogen telluride In N,N-dimethyl-formamide for 0.333333h; Ambient temperature; | 83% |
Conditions | Yield |
---|---|
With niobium(V) oxide; water In neat (no solvent) for 20h; Reflux; Inert atmosphere; | 81% |
(E)-4-(phenyldiazenyl)benzoic acid
4-amino-benzoic acid
Conditions | Yield |
---|---|
With nickel; hydrazinium monoformate In methanol for 0.166667h; Heating; | 80% |
Conditions | Yield |
---|---|
With triethylammonium formate; zinc In water at 20℃; for 0.166667h; | 80% |
Conditions | Yield |
---|---|
With diethylenetriaminopentaacetic acid; ammonia; copper(II) oxide; potassium hydroxide In water at 100℃; for 12h; | 80% |
Conditions | Yield |
---|---|
With copper(l) iodide; ammonia; water; sodium phosphate at 100℃; for 15h; | 77% |
Conditions | Yield |
---|---|
In acetonitrile Ambient temperature; Irradiation; Title compound not separated from byproducts; | A 15% B 70% |
Conditions | Yield |
---|---|
With diethylamine In acetonitrile Ambient temperature; Irradiation; Title compound not separated from byproducts; | A 15% B 70% |
Conditions | Yield |
---|---|
With potassium carbonate; palladium diacetate In water; N,N-dimethyl-formamide at 25℃; under 760 Torr; for 4h; | 68% |
With water; sodium carbonate; palladium diacetate at 20 - 165℃; under 10501.1 - 22502.3 Torr; for 0.333333h; microwave irradiation; | 60% |
4-nitro-benzoic acid-(2,2,2-trichloro-ethyl ester)
4-amino-benzoic acid
Conditions | Yield |
---|---|
With zinc In acetic acid at 20℃; for 2h; | 66% |
Conditions | Yield |
---|---|
With sodium hydroxide; water for 4h; Ambient temperature; | 62% |
Conditions | Yield |
---|---|
With meta-dinitrobenzene; sodium hydroxide In water at 100℃; for 2.5h; Sealed tube; | 25.4% |
tert-butyl-4-bromobenzoate
A
tert-butyl 4-aminobenzoate
B
4-amino-benzoic acid
Conditions | Yield |
---|---|
Stage #1: tert-butyl-4-bromobenzoate With polystyrene Rink amine resin; 2,2'-bis-(diphenylphosphino)-1,1'-binaphthyl; sodium t-butanolate; tris-(dibenzylideneacetone)dipalladium(0) In 1,4-dioxane; tert-butyl alcohol at 80℃; for 20h; Stage #2: With trifluoroacetic acid In dichloromethane for 0.75h; | A n/a B 21% |
(1R,4R,5R,8S)-4-Amino-8-bromo-6-oxa-bicyclo[3.2.1]oct-2-en-7-one
A
4-amino-benzoic acid
Sodium; (3S,4S)-4-amino-3-hydroxy-cyclohexa-1,5-dienecarboxylate
Conditions | Yield |
---|---|
With sodium hydroxide In tetrahydrofuran; water for 4h; Ambient temperature; | A 5% B n/a |
cinnamoyl chloride
4-amino-benzoic acid
4-{[(2E)-3-phenylprop-2-enoyl]amino}benzoic acid
Conditions | Yield |
---|---|
With pyridine In toluene for 12h; | 100% |
Conditions | Yield |
---|---|
With thionyl chloride for 2h; Esterification; Heating; | 100% |
With acetyl chloride at 20℃; for 168h; Inert atmosphere; | 100% |
With thionyl chloride at 0 - 20℃; | 100% |
4-amino-benzoic acid
vanillin
4-[(4-hydroxy-3-methoxybenzylidene)amino]benzoic acid
Conditions | Yield |
---|---|
With acetic acid In ethanol at 20℃; for 4h; | 100% |
In ethanol Inert atmosphere; Reflux; | 76% |
With triethylamine In ethanol at 20℃; | 60% |
Conditions | Yield |
---|---|
Stage #1: 4-amino-benzoic acid; isopropyl alcohol With thionyl chloride at 20℃; for 90h; Reflux; Stage #2: With sodium hydrogencarbonate In water; isopropyl alcohol | 100% |
With thionyl chloride; sodium carbonate for 2h; Heating; | 89% |
With hydrogenchloride |
Conditions | Yield |
---|---|
100% | |
With pyridine hydrogenfluoride; sodium nitrite 1.) O deg C, 20 min, 2.) 100 deg C, 1 h; | 89% |
With hydrogen fluoride; sodium nitrite |
Conditions | Yield |
---|---|
With C4H5N5OS*H2O*ClH; Cu(2+)*O4S(2-)*5ClH In methanol at 20℃; | 100% |
Stage #1: 4-amino-benzoic acid With hydrogenchloride; sodium nitrite In ethanol; water at 0℃; for 1h; Stage #2: With sodium azide In ethanol; water at 0 - 20℃; for 24h; | 100% |
Stage #1: 4-amino-benzoic acid With sulfuric acid; sodium nitrite In water at -5℃; for 0.5h; Stage #2: With sodium azide In water for 0.5h; | 100% |
4-amino-benzoic acid
4-sulfinylamino-benzoyl chloride
Conditions | Yield |
---|---|
With thionyl chloride In toluene Heating; | 100% |
With thionyl chloride |
4-amino-benzoic acid
4-carboxybenzenediazonium chloride
Conditions | Yield |
---|---|
With nitrosylchloride under 750.075 Torr; for 24h; | 100% |
With potassium nitrite Diazotization.Die waessr. Loesung des Salzes des Benzoesaeure-diazoniumhydroxyds-(4) erhaelt man in verd. Mineralsaeure; | |
With sodium nitrite Diazotization.Die waessr. Loesung des Salzes des Benzoesaeure-diazoniumhydroxyds-(4) erhaelt man in verd. Mineralsaeure; |
di-tert-butyl dicarbonate
4-amino-benzoic acid
4-(N-tert-butoxycarbonyl)aminobenzoic acid
Conditions | Yield |
---|---|
With triethylamine In 1,4-dioxane; water at 20℃; for 24h; | 100% |
With triethylamine In 1,4-dioxane; water at 20℃; for 24h; | 100% |
98% |
coumarin 3-carboxylic acid chloride
4-amino-benzoic acid
Coumarin-3-carbonsaeure-<4-carboxy-anilid>
Conditions | Yield |
---|---|
With pyridine In toluene for 12h; | 100% |
4-amino-benzoic acid
4-aminobenzoyl chloride
Conditions | Yield |
---|---|
With thionyl chloride at 50 - 60℃; for 2h; Inert atmosphere; | 100% |
With thionyl chloride at 50 - 60℃; for 2h; Inert atmosphere; | 100% |
With thionyl chloride for 16h; Heating / reflux; | 100% |
4-amino-benzoic acid
(7S,8R)-7-Methyl-8-(3,4,5-trimethoxy-phenyl)-7,8-dihydro-6H-[1,3]dioxolo[4,5-g]chromen-6-ol
Conditions | Yield |
---|---|
In methanol for 0.75h; Heating; | 100% |
4-amino-benzoic acid
Conditions | Yield |
---|---|
With sodium hydroxide In isopropyl alcohol at 60℃; for 11h; | 100% |
Conditions | Yield |
---|---|
With oxone||potassium monopersulfate triple salt In dichloromethane; water at 20℃; for 1h; | 100% |
With oxone||potassium monopersulfate triple salt In dichloromethane at 20℃; for 1h; Inert atmosphere; | 100% |
With sodium tungstate; phosphoric acid; tetrabutylammomium bromide; dihydrogen peroxide In chloroform at 35 - 40℃; for 2.5h; | 93% |
N-acetyl-β-phenylacetoacetamide
4-amino-benzoic acid
Conditions | Yield |
---|---|
With acetic acid for 1h; Heating; | 100% |
Conditions | Yield |
---|---|
In tetrahydrofuran Ambient temperature; | 100% |
Conditions | Yield |
---|---|
In 1,2-dimethoxyethane at 20℃; for 96h; | 100% |
Conditions | Yield |
---|---|
With potassium carbonate In N,N-dimethyl-formamide at 20℃; for 2h; | 100% |
With caesium carbonate In N,N-dimethyl-formamide at 20℃; for 24h; Inert atmosphere; | 91% |
In N,N-dimethyl-formamide at 20℃; for 24h; | 91% |
1,8-Naphthalic anhydride
4-amino-benzoic acid
4-(1,3-dioxo-1H,3H-benzo[de]isoquinolin-2-yl)-benzoic acid
Conditions | Yield |
---|---|
zinc diacetate In 1-methyl-pyrrolidin-2-one at 160℃; for 15h; | 100% |
With sodium acetate; acetic acid Inert atmosphere; Reflux; | 92% |
In N,N-dimethyl-formamide Reflux; | 72% |
4-amino-benzoic acid
salicylic acid
5-[2-(4-carboxyphenyl)diazen-1-yl]-2-hydroxybenzoic acid
Conditions | Yield |
---|---|
Stage #1: 4-amino-benzoic acid With hydrogenchloride In water at 20 - 25℃; Stage #2: With sodium nitrite In water at -2 - 2℃; Stage #3: salicylic acid Further stages; | 100% |
Stage #1: 4-amino-benzoic acid With hydrogenchloride; sodium nitrite In water at 0 - 5℃; for 0.5h; Stage #2: salicylic acid With sodium hydroxide In water at 0 - 5℃; for 1h; | 80% |
1-methyl-3-[(S)-morpholin-3-ylmethyl]-1H-indole-5-carboxylic acid dimethylamide
4-amino-benzoic acid
3-[(S)-4-(4-aminobenzoyl)morpholin-3-ylmethyl]-1-methyl-1H-indole-5-carboxylic acid dimethylamide
Conditions | Yield |
---|---|
With benzotriazol-1-ol; N-(3-dimethylaminopropyl)-N-ethylcarbodiimide; N-ethyl-N,N-diisopropylamine In N,N-dimethyl-formamide at 90℃; for 2h; | 100% |
25,26,27,28-tetrakis(hydroxy)calix[4]arene
4-amino-benzoic acid
5,11,17,23-tetrakis[(p-carboxyphenyl)azo]-25,26,27,28-tetra-hydroxy calix[4]arene
Conditions | Yield |
---|---|
With hydrogenchloride; sodium acetate; sodium nitrite In methanol; water; N,N-dimethyl-formamide at 2 - 20℃; for 2h; | 100% |
Stage #1: 4-amino-benzoic acid With sodium hydroxide; sodium nitrite at 0℃; Stage #2: With hydrogenchloride In water at 0℃; Stage #3: 25,26,27,28-tetrakis(hydroxy)calix[4]arene With sodium acetate In water; N,N-dimethyl-formamide for 2h; pH=6-7; | 88% |
Stage #1: 25,26,27,28-tetrakis(hydroxy)calix[4]arene; 4-amino-benzoic acid With hydrogenchloride; sodium acetate; sodium nitrite In water; N,N-dimethyl-formamide at 20℃; for 2h; Stage #2: With hydrogenchloride In water; N,N-dimethyl-formamide at 60℃; for 0.5h; | 87% |
4-amino-benzoic acid
N,N-dimethyl-formamide
N'-(4-hydroxycarbonylphenyl)-N,N-dimethylformamidinium chloride
Conditions | Yield |
---|---|
With trichlorophosphate at 20℃; Cooling with ice; | 100% |
4-amino-benzoic acid
acetylacetone
4-[N'-(1-acetyl-2-oxo-propylidene)-hydrazino]-benzoic acid
Conditions | Yield |
---|---|
Stage #1: 4-amino-benzoic acid With hydrogenchloride; sodium nitrite In water at 0℃; for 1h; Stage #2: acetylacetone With sodium acetate In ethanol; water at 20℃; for 1h; | 100% |
Stage #1: 4-amino-benzoic acid With hydrogenchloride; acetic acid; sodium nitrite In water at 0℃; for 1h; Stage #2: acetylacetone With sodium acetate In ethanol; water at 20℃; for 1h; | 100% |
Stage #1: 4-amino-benzoic acid With hydrogenchloride; sodium nitrite In water at 0 - 5℃; Stage #2: acetylacetone With sodium acetate In methanol; water at 0 - 20℃; for 1h; | 75% |
Stage #1: 4-amino-benzoic acid With hydrogenchloride; sodium nitrite In water at 0 - 5℃; Stage #2: acetylacetone With sodium acetate In water at 20℃; for 1h; | 75% |
2-Methylbutyraldehyde
4-amino-benzoic acid
4-((2-methylbutyl)amino)benzoic acid
Conditions | Yield |
---|---|
With 2-picoline borane complex In methanol at 20℃; for 14h; Inert atmosphere; | 100% |
Conditions | Yield |
---|---|
In methanol for 3h; Reflux; | 100% |
4-amino-benzoic acid
3,4-dimethoxy-benzaldehyde
N-(3,4-Dimethoxybenzyliden)-4-aminobenzoesaeure
Conditions | Yield |
---|---|
100% |
4-amino-benzoic acid
3-methoxy-2-hydroxybenzaldehyde
4-{[(2-hydroxy-3-methoxyphenyl)methylidene]amino}benzoic acid
Conditions | Yield |
---|---|
With acetic acid In ethanol at 20℃; for 4h; | 100% |
In ethanol; water at 20℃; for 12h; | 75% |
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